A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 5985-01-639-8150
NSN 6240-00-841-0189
NSN 6645-01-254-7980
NSN 6110-01-480-0414
NSN 5998-00-221-3216
NSN 6130-01-072-4990
NSN 6650-00-485-7962
NSN 5945-01-593-8801
NSN 6645-00-922-8312
NSN 5975-00-471-3731
NSN 5975-01-648-6659
NSN 5990-00-762-8059